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Old August 10th, 2015, 6:30 PM
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Which rear end do I have ??

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Old July 9th, 2012, 2:24 PM
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Row 9, 2 down, = GT4= 3.73:1 just by the info above.


Like country said, he just types faster
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Old July 9th, 2012, 11:24 PM
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Thanks for all the help. I'm new to this stuff and appreciate all the help i can get. I'm picking up a travel trailer tomorrow and I wanted to make sure the truck would handle it. according to the numbers I can tow 8500 lbs.
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Old July 10th, 2012, 5:26 AM
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Originally Posted by country_09
Bein 2wd in 2000, probably 3.42. But some 2wd came with 3.73s
I have a 2012 Extended Cab, 2WD,5.3L, with a 3.08 rear and limited slip differential. Does that make it kinda rare? I guess it will be better for MPG but worse for pulling and towing?
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Old July 10th, 2012, 6:17 PM
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Originally Posted by CorvetteOJ
I have a 2012 Extended Cab, 2WD,5.3L, with a 3.08 rear and limited slip differential. Does that make it kinda rare? I guess it will be better for MPG but worse for pulling and towing?

Not really rare. The newer silverado's with the 6 speed have stupid high rear end ratios. It's harder to find a 3.73 or maybe even a 4.10 1500 now then a 3.08 or a 3.23
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Old July 10th, 2012, 9:12 PM
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Most crew cabs come with the 3.42
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Old March 27th, 2015, 6:00 PM
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Default What rear end do I have
I have a 2001 gmc serria third row code is fe9 and second row is gt4 can any one help
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Old March 27th, 2015, 6:02 PM
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I have a trans cooler gadge on my dash wich makes me think I have the 80 trans instead of the 60 wich may make a deference idk
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Old August 10th, 2020, 8:51 PM
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Have an 05 regency with 5.3. was wondering what gears in the rear end I would have?
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Old August 10th, 2020, 10:13 PM
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check your RPO sticker on the door. What are your codes that start with the letter 'G'?
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Old August 10th, 2020, 10:28 PM
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Originally Posted by mountainmanjoe
check your RPO sticker on the door. What are your codes that start with the letter 'G'?

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